[PATCHv3 1/4] block: move rq_list macros to blk-mq.h

[Keith Busch]

Move the request list macros to the header file that defines that struct
they operate on.

Signed-off-by: Keith Busch <kbusch at kernel.org>
---
 fs/io_uring.c          |  2 +-
 include/linux/blk-mq.h | 29 +++++++++++++++++++++++++++++
 include/linux/blkdev.h | 29 -----------------------------
 3 files changed, 30 insertions(+), 30 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 90002bb3fdf4..33f72b3b302c 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -57,7 +57,7 @@
 #include <linux/mman.h>
 #include <linux/percpu.h>
 #include <linux/slab.h>
-#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
 #include <linux/bvec.h>
 #include <linux/net.h>
 #include <net/sock.h>
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 550996cf419c..bf64b94cd64e 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -216,6 +216,35 @@ static inline unsigned short req_get_ioprio(struct request *req)
 #define rq_dma_dir(rq) \
 	(op_is_write(req_op(rq)) ? DMA_TO_DEVICE : DMA_FROM_DEVICE)
 
+#define rq_list_add(listptr, rq)	do {		\
+	(rq)->rq_next = *(listptr);			\
+	*(listptr) = rq;				\
+} while (0)
+
+#define rq_list_pop(listptr)				\
+({							\
+	struct request *__req = NULL;			\
+	if ((listptr) && *(listptr))	{		\
+		__req = *(listptr);			\
+		*(listptr) = __req->rq_next;		\
+	}						\
+	__req;						\
+})
+
+#define rq_list_peek(listptr)				\
+({							\
+	struct request *__req = NULL;			\
+	if ((listptr) && *(listptr))			\
+		__req = *(listptr);			\
+	__req;						\
+})
+
+#define rq_list_for_each(listptr, pos)			\
+	for (pos = rq_list_peek((listptr)); pos; pos = rq_list_next(pos))
+
+#define rq_list_next(rq)	(rq)->rq_next
+#define rq_list_empty(list)	((list) == (struct request *) NULL)
+
 enum blk_eh_timer_return {
 	BLK_EH_DONE,		/* drivers has completed the command */
 	BLK_EH_RESET_TIMER,	/* reset timer and try again */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 22746b2d6825..9c95df26fc26 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1339,33 +1339,4 @@ struct io_comp_batch {
 
 #define DEFINE_IO_COMP_BATCH(name)	struct io_comp_batch name = { }
 
-#define rq_list_add(listptr, rq)	do {		\
-	(rq)->rq_next = *(listptr);			\
-	*(listptr) = rq;				\
-} while (0)
-
-#define rq_list_pop(listptr)				\
-({							\
-	struct request *__req = NULL;			\
-	if ((listptr) && *(listptr))	{		\
-		__req = *(listptr);			\
-		*(listptr) = __req->rq_next;		\
-	}						\
-	__req;						\
-})
-
-#define rq_list_peek(listptr)				\
-({							\
-	struct request *__req = NULL;			\
-	if ((listptr) && *(listptr))			\
-		__req = *(listptr);			\
-	__req;						\
-})
-
-#define rq_list_for_each(listptr, pos)			\
-	for (pos = rq_list_peek((listptr)); pos; pos = rq_list_next(pos))
-
-#define rq_list_next(rq)	(rq)->rq_next
-#define rq_list_empty(list)	((list) == (struct request *) NULL)
-
 #endif /* _LINUX_BLKDEV_H */
-- 
2.25.4